Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Coagulation Absorption Adsorption Emulsification Coagulation Absorption Adsorption Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitric acid Nitrogen Nitrogen dioxide Ammonia Nitric acid Nitrogen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and propane Butane and hydrogen Methane and oxygen Butane and oxygen Butane and propane Butane and hydrogen Methane and oxygen Butane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Lewis equation Arrhenius equation Kirchhoff's equation Van der Waals equation Lewis equation Arrhenius equation Kirchhoff's equation Van der Waals equation ANSWER DOWNLOAD EXAMIANS APP
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